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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-08-23 14:53:19 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-06 18:30:20 +0200 |
| commit | 6731d4f12315aed5f7eefc52dac30428e382d7d0 (patch) | |
| tree | 66abd6f0c2aa4191a11e076b7090f29e257cc7b3 /kernel/cpu.c | |
| parent | e6d4989a9ad1ccc343f29578a461612ed80fc6c5 (diff) | |
| download | lwn-6731d4f12315aed5f7eefc52dac30428e382d7d0.tar.gz lwn-6731d4f12315aed5f7eefc52dac30428e382d7d0.zip | |
slab: Convert to hotplug state machine
Install the callbacks via the state machine.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: linux-mm@kvack.org
Cc: rt@linutronix.de
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Link: http://lkml.kernel.org/r/20160823125319.abeapfjapf2kfezp@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 0c0d4b2ddd1c..7c783876cbcb 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/smpboot.h> #include <linux/relay.h> +#include <linux/slab.h> #include <trace/events/power.h> #define CREATE_TRACE_POINTS @@ -1278,6 +1279,11 @@ static struct cpuhp_step cpuhp_bp_states[] = { .startup.single = relay_prepare_cpu, .teardown.single = NULL, }, + [CPUHP_SLAB_PREPARE] = { + .name = "slab:prepare", + .startup.single = slab_prepare_cpu, + .teardown.single = slab_dead_cpu, + }, [CPUHP_RCUTREE_PREP] = { .name = "RCU/tree:prepare", .startup.single = rcutree_prepare_cpu, |